20149388 is an even 8-digits composite number following 20149387
and preceding 20149389 . In scientific notation, it is written as 2.0149388 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 36 positive divisors.
There are 8578080 positive integers (up to 20149388) that are relatively prime to 20149388.
20149388 has 36 divisors, whose sum is 41291712
The reverse of 20149388 is 88394102
Previous prime number is 223
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred forty-nine thousand three hundred eighty-eight
Scientific notation
2.0149388 × 10^7
Engineering notation
2.0149388 × 10^6
Prime Factorization
2 × 2 × 7 × 7 × 223 × 461
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1439242
Product of the distinct prime numbers
The prime factorization of 20149388 is 2 × 2 × 7 × 7 × 223 × 461.
Since it has a total of 6 prime factors.
1 , 3 , 39 , 42 , 431 , 981 , 2577 , 1841 , 69377 , 52175 , 762923 , 592679 , 8942517 , 5541868 , 61052292 , 8160922 , 345087403 , 309718344 , 4887343179 , 6866126511
n×2
40298776
n×3
60448164
n×4
80597552
n×5
100746940
n÷2
10074694
n÷3
6716462.6666667
n÷3
5037347
n÷5
4029877.6
n2
405997836774544
n3
8.180607940331E+21
n4
1.6483424346561E+29
n5
3.321309127275E+36
2 √n
4488.8069684494
3 √n
272.11592160999
4 √n
66.998559450554
5 √n
28.896974317389
1 , 2 , 4 , 7 , 14 , 28 , 49 , 98 , 196 , 223 , 446 , 461 , 892 , 922 , 1561 , 1844 , 3122 , 3227 , 6244 , 6454 , 10927 , 12908 , 21854 , 22589 , 43708 , 45178 , 90356 , 102803 , 205606 , 411212 , 719621 , 1439242 , 2878484 , 5037347 , 10074694 , 20149388
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149388 can be divided by 36 positive divisors.
The sum of these divisors (counting 20149388) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1001100110111010010001100
3
Ternary
1101220200202122
4
Quaternary
1030313102030
5
Quinary
20124240023
6
Senary
1555512112
8
Octal
114672214
10
Decimal
20149388
12
Duodecimal
68b8638
16
Hexadecimal
133748c
20
Vigesimal
65id98
36
Base36
bzvd8
md5
e5ba1dd1fee458d3dd1ba726fa529cfc
sha1
8192c2d56014019d0589baea12b1bd954d1002a1
sha256
06b9ed91096267676db7a3f9367320c032a447e50e9d284a8a94e1729943e2e1
sha512
602632606a31d7de28f2f9441bd4f2f4c90ea6bfa4aa1d2dfb17313963ad7133cf03563abcc2f667702d6e6957d1e0f0217e0244c8396b2b0a3c1099da0588fc
ripemd-160
a8ffbf08a77d493b18d530cae8cb1beea38f1d0b
Diameter
40298776
Circumference
126602338.63026
Area
1.2754798213843E+15
Volume
3.4266850409656E+22
Surface area
5.101919285537E+15
Circumference
126602338.63026
Perimeter
80597552
Area
405997836774544
Diagonal
28495537.783118
Surface area
2435987020647264
Volume
8.180607940331E+21
Space diagonal
34899763.757419
Perimeter
60448164
Area
1.7580222026414E+14
Altitude
17449881.878709
Surface area
1.7580222026414E+14
Volume
9.6409389147276E+20
Height
9498512.5943726